CN217226520U

CN217226520U - Two-way ejecting and demolding mechanism of automobile light-transmitting cover double-color mold

Info

Publication number: CN217226520U
Application number: CN202123395739.1U
Authority: CN
Inventors: 覃金建
Original assignee: Taicang Tufeng Precision Mould Co ltd
Current assignee: Taicang Tufeng Precision Mould Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-19
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a bidirectional ejection demoulding mechanism of a double-color mould of an automobile light-transmitting cover, which comprises an ejector rod, a core movable mould mounting plate and a core block, wherein the ejector rod is arranged on the core movable mould mounting plate in a penetrating way and can penetrate out of the core block; still include the slider, the slider slides and sets up in the nearly type core movable mould mounting panel one side of roof down, be equipped with the ejector pin stroke face on slider one side, the ejector pin stroke face includes flat top surface and oblique top surface, the ejector pin is far away from type core piece one end and is contacted with the ejector pin stroke face, keep away from ejector pin stroke face one side in the slider horizontal direction and be equipped with the drive inclined plane, correspond to ejector pin stroke face nearly slider one side of core movable mould mounting panel is equipped with oblique guide surface. When the ejector rod is contacted with the inclined top surface, the stroke of the ejector rod is greater than that of the core top plate, so that the molded product is ejected by the ejector rod and separated from the core top plate, and the bidirectional ejection and demolding are completed. Therefore, the separation efficiency of the automobile light-transmitting cover double-color mold is improved, and the demolding quality is guaranteed.

Description

Two-way ejection demoulding mechanism of double-color mould of automobile light-transmitting cover

Technical Field

The utility model relates to an advanced manufacturing and automation field, concretely relates to two-way ejecting demoulding mechanism of car printing opacity cover double-color mold.

Background

The injection molding process of the automobile light-transmitting cover adopts a double-color mold to complete molding and manufacturing, and the whole shape of the automobile light-transmitting cover molded product is an inverted buckle-shaped shell. In order to ensure the stability of the ejected product, a core top plate is arranged corresponding to the edge of the bottom of the light-transmitting cover, and the core top plate plays a role in forming the bottom of the light-transmitting cover of the automobile on the one hand; on the other hand, when the mold is opened, the edge of the bottom of the automobile light-transmitting cover is integrally pulled out through the top plate of the mold core, so that the demolding stability of the automobile light-transmitting cover is ensured. However, because the contact area between the light-transmitting cover and the bottom of the top plate of the core is too large, the molded product is difficult to fall off by itself, i.e. the bottom of the molded product is not separated from the mold, so that the production efficiency and the demolding quality are affected.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of above-mentioned prior art, the utility model provides a two-way ejecting demoulding mechanism of car printing opacity cover double-colored mould improves separation efficiency, has guaranteed the drawing of patterns quality of car printing opacity cover shaping product.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a two-way ejecting demoulding mechanism of double-colored mould of car printing opacity cover, includes: the core piece is fixed on one side of the core movable die mounting plate and corresponds to the shape of the inner cavity of the light-transmitting cover; the light-transmitting cover is characterized by further comprising a core top plate, the core top plate corresponds to the bottom of the edge of the light-transmitting cover, the core top plate is sleeved on the core block and can move up and down relative to the core block, and a through hole which is matched with the cross section of the core block in shape is formed in the corresponding core top plate; and a lower top plate is arranged on one side of the core movable mold mounting plate far away from the core block, the lower top plate is connected with the core top plate through a long guide rod, and the long guide rod is arranged on the core movable mold mounting plate in a penetrating manner. In addition, the core molding die comprises a push rod, a core block and a positioning rod, wherein the push rod penetrates through the core molding die mounting plate and can penetrate out of the core block; the core die is characterized by further comprising a sliding block, the sliding block is arranged on one side of the lower top plate close to the core movable die mounting plate in a sliding mode, an ejector rod stroke face is arranged on one side of the sliding block and comprises a flat top face and an inclined top face, the flat top face is arranged at the front end of the inclined top face, one end of the core block is far away from the ejector rod and is in contact with the ejector rod stroke face, a driving inclined face is arranged on one side, away from the ejector rod stroke face, of the sliding block in the horizontal direction, and an inclined guide face is arranged on one side, close to the sliding block, of the core movable die mounting plate.

In the device, when the lower top plate pushes the core top plate to push the molded product out of the release core block, the slide block integrally slides leftwards due to the matching of the driving inclined surface and the inclined guide surface, then the ejector rod is ejected out of the middle of the core block due to the matching of the ejector rod stroke surface and the ejector rod, and when the ejector rod is in contact with the inclined top surface, the stroke of the ejector rod begins to be larger than that of the core top plate, so that the molded product is ejected out by the ejector rod to be separated from the core top plate, and thus the bidirectional ejection and demolding are completed. Therefore, a two-way ejecting demoulding mechanism of car printing opacity cover double-colored mould improve separation efficiency, guaranteed drawing of patterns quality. And when the ejector rod is contacted with the flat top surface, the core top plate participates in ejecting the molded product, so that the stability of demolding of the molded product is ensured.

Further, a two-way ejecting demoulding mechanism of car printing opacity cover double-colored mould, the roof includes slider board and push pedal down, the slider board is fixed in the nearly type core movable mould mounting panel one side of push pedal, be equipped with the spout on the slider board, the slider sets up on the spout.

Further, the two-way ejection demoulding mechanism of the automobile light-transmitting cover double-color mould is characterized in that a spring seat is arranged on the sliding block plate, the spring seat is arranged in front of the sliding direction of the sliding block during the ejection stroke of the sliding block, a pair of spring counter bores are arranged on the close faces of the spring seat and the sliding block, and first return springs are arranged corresponding to the spring counter bores.

Furthermore, the bidirectional ejection demoulding mechanism of the automobile light-transmitting cover double-color mould is characterized in that a roller is arranged at one end, close to the stroke surface, of the ejector rod.

Furthermore, the two-way ejection demoulding mechanism of the automobile light-transmitting cover double-color mould is characterized in that a second return spring is sleeved on the ejector rod and corresponds to the bottom of the second return spring, a limit nut is arranged on the ejector rod, one end of the ejector rod, which is far away from the limit nut, corresponds to the second return spring, and a counterbore cavity is arranged on the core movable mould mounting plate or the core block. Preferably, the counter bore is arranged on the core block, and correspondingly, a through hole which is matched with the shape of the outer ring of the second return spring is arranged on the core movable die mounting plate.

Further, the two-way ejection demoulding mechanism of the automobile light-transmitting cover double-color mould is characterized in that one end, away from the roller, of the ejector rod is provided with a sealing end part, the sealing end part is in an inverted circular truncated cone shape and corresponds to the shape of the sealing end part, and a cavity containing groove is formed in one side, away from the core movable mould mounting plate, of the core block. And the sealing end part is provided with a circular truncated cone, and when the die is used for injection molding, the sealing end part is tightly pressed on the cavity containing groove by the second return spring, so that the injected material is prevented from leaking into a gap between the near core block and the ejector rod.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:

the utility model provides a two-way ejecting demoulding mechanism of car printing opacity cover double-colored mould, when the roof promoted the core roof and pushes out the shaping product and take off from the type pellet, because the cooperation of drive inclined plane and oblique guide surface for the slider is whole to slide left, then because the cooperation of ejector pin stroke face and ejector pin, the ejector pin is ejecting in the middle of the core piece, and when ejector pin and oblique top surface contact, the stroke of ejector pin begins to be greater than the stroke of core roof, consequently the shaping product is ejecting by the ejector pin, breaks away from the core roof, thereby accomplishes two-way ejecting drawing of patterns. Therefore, a two-way ejecting demoulding mechanism of car printing opacity cover double-colored mould improve separation efficiency, guaranteed drawing of patterns quality. And when the ejector pin and the flat top surface contact, it is that the core roof is ejecting the shaping product, has guaranteed the stationarity that the shaping product demolded.

Drawings

Fig. 1 is a schematic structural diagram of a bidirectional ejection demoulding mechanism of a double-color mould of an automobile light-transmitting cover.

In the figure: 1-a core movable mould mounting plate; 11-a beveled guide surface; 2-type core block; 21-cavity containing groove; 3-core top plate; 4-a top rod; 41-a roller; 42-sealing the end; 43-a limit nut; 5-a slide block; 51-ejector pin stroke surface; 511-Flat Top surface; 512-inclined top surface; 52-drive ramp; 6-lower top plate; 61-long guide rod; 62-a slider plate; 621-a chute; 622-spring seat; 63-push plate; 71-spring counter bore; 72-a first return spring; 73-a second return spring; 74-counterbore cavity; 9-forming the product.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The two-way ejection demoulding mechanism of the automobile light-transmitting cover double-color mould shown in the figure 1 comprises a core movable mould mounting plate 1 and a core block 2, wherein the core block 2 corresponds to the shape of an inner cavity of the light-transmitting cover, and the core block 2 is fixed on one side of the core movable mould mounting plate 1; the light-transmitting cover is characterized by further comprising a core top plate 3, the core top plate 3 corresponds to the bottom of the edge of the light-transmitting cover, the core top plate 3 is sleeved on the core block 2 and can move up and down relative to the core block 2, and a through hole which is matched with the cross section of the core block 2 is correspondingly formed in the core top plate 3. The lower top plate 6 is arranged on one side, far away from the core block 2, of the core movable mold mounting plate 1, the lower top plate 6 is connected with the core top plate 3 through a long guide rod 61, and the long guide rod 61 penetrates through the core movable mold mounting plate 1. The lower top plate 6 comprises a slide plate 62 and a push plate 63, the slide plate 62 is fixed on one side of the push plate 63 close to the core movable die mounting plate 1, and the slide plate 62 is provided with a slide groove 621.

In addition, still include ejector pin 4, ejector pin 4 wears to establish on core movable mould mounting panel 1 and can follow core piece 2 and wear out, is equipped with the perforation on corresponding core movable mould mounting panel 1 and the core piece 2. And, the ejector rod 4 is sleeved with a second return spring 73, corresponding to the bottom of the second return spring 73, the ejector rod 4 is provided with a limit nut 43, and corresponding to one end of the second return spring 73, which is far away from the limit nut 43. In this embodiment, the core block 2 is provided with a counterbore cavity 74. Correspondingly, the core movable mold mounting plate 1 is provided with a through hole which is matched with the shape of the outer ring of the second return spring 73. And, a roller 41 is provided at the lower end of the rod 4. In addition, a sealing end part 42 is arranged at one end of the ejector rod 4, which is far away from the roller 41, the sealing end part 42 is in an inverted circular truncated cone shape, and a cavity containing groove 21 is arranged on one side, which is far away from the core movable die mounting plate 1, of the core block 2 corresponding to the shape of the sealing end part 42.

The core mold mounting plate comprises a slide block 5, the slide block 5 is arranged on a slide groove 621 of a slide block plate 62 in a sliding mode, a push rod stroke surface 51 is arranged on one side of the slide block 5, the push rod stroke surface 51 comprises a flat top surface 511 and an inclined top surface 512, the flat top surface 511 is arranged at the front end of the inclined top surface 512, one end, far away from a core block 2, of a push rod 4 is in contact with the push rod stroke surface 51, a driving inclined surface 52 is arranged on one side, far away from the push rod stroke surface 51, of the slide block 5 in the horizontal direction, and an inclined guide surface 11 is arranged on one side, close to the slide block 5, of the core mold mounting plate 1 corresponding to the push rod stroke surface 51.

Further, a spring seat 622 is arranged on the slider plate 62, the spring seat 622 is arranged in front of the sliding direction of the slider 5 during the ejection stroke, a pair of spring counter bores 71 are arranged on the adjacent surfaces of the spring seat 622 and the slider 5, and a first return spring 72 is arranged corresponding to the spring counter bores 71.

Based on the above structure, according to the bidirectional ejection and demolding mechanism of the automobile light-transmitting cover bicolor mold in the embodiment, when the lower top plate 6 pushes the core top plate 3 to push the molded product 9 out of the demolding core block 2, due to the matching of the driving inclined surface 52 and the inclined guide surface 11, the whole slider 5 slides leftwards, then due to the matching of the ejector rod stroke surface 51 and the ejector rod 4, the ejector rod 4 is ejected from the middle of the core block 2, and when the ejector rod 4 contacts with the inclined top surface 512, the stroke of the ejector rod 4 starts to be larger than that of the core top plate 3, so that the molded product 9 is ejected by the ejector rod 4 and separated from the core top plate 3, and thus bidirectional ejection and demolding are completed. Therefore, the separation efficiency is improved, and the demoulding quality is ensured. And when the ejector rod 4 is contacted with the flat top surface 511, the core top plate 3 participates in ejecting the molded product 9, so that the demolding stability of the molded product 9 is ensured.

In addition, a sealing end 42 in a truncated cone shape is provided, and when the mold performs injection molding, the second return spring 73 tightly presses the sealing end 42 against the cavity groove 21, so that the injection material is prevented from leaking into a gap between the core block 2 and the ejector rod 4.

The foregoing describes the technical principles of the present invention in conjunction with specific embodiments, which are provided for the purpose of illustrating the principles of the present invention and are not to be construed as limiting the scope of the invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A bidirectional ejection demoulding mechanism of an automobile light-transmitting cover double-color mould comprises a core movable mould mounting plate (1) and a core block (2), wherein the core block (2) corresponds to the shape of an inner cavity of a light-transmitting cover, and the core block (2) is fixed on one side of the core movable mould mounting plate (1); the light-transmitting cover is characterized by further comprising a core top plate (3), the core top plate (3) corresponds to the bottom of the edge of the light-transmitting cover, the core top plate (3) is sleeved on the core block (2) and can move up and down relative to the core block (2), and a through hole which is matched with the cross section of the core block (2) is formed in the corresponding core top plate (3); a lower top plate (6) is arranged on one side, far away from the core block (2), of the core movable mold mounting plate (1), the lower top plate (6) is connected with the core top plate (3) through a long guide rod (61), and the long guide rod (61) penetrates through the core movable mold mounting plate (1); the method is characterized in that: the core die is characterized by further comprising a push rod (4), wherein the push rod (4) penetrates through the core movable die mounting plate (1) and can penetrate out of the core block (2), and through holes are formed in the corresponding core movable die mounting plate (1) and the corresponding core block (2); still include slider (5), slider (5) slide and set up in the nearly core movable mould mounting panel (1) one side of roof (6) down, be equipped with ejector pin stroke face (51) on slider (5) one side, ejector pin stroke face (51) are including flat top surface (511) and oblique top surface (512), flat top surface (511) set up at oblique top surface (512) front end, ejector pin (4) are far away from core block (2) one end and are contacted with ejector pin stroke face (51), it is equipped with drive inclined plane (52) to keep away from ejector pin stroke face (51) one side on slider (5) the horizontal direction core movable mould mounting panel (1) nearly slider (5) one side is equipped with oblique guide surface (11).

2. The two-way ejection demoulding mechanism of the double-color mould of the automobile light-transmitting cover of the claim 1 is characterized in that: the lower top plate (6) comprises a slide plate (62) and a push plate (63), the slide plate (62) is fixed on one side of the push plate (63) close to the core moving die mounting plate (1), a sliding groove (621) is formed in the slide plate (62), and the slide block (5) is arranged on the sliding groove (621).

3. The two-way ejection and demolding mechanism of the automobile light-transmitting cover two-color mold as claimed in claim 2, wherein: the sliding block is characterized in that a spring seat (622) is arranged on the sliding block plate (62), the spring seat (622) is arranged in front of the sliding direction of the sliding block (5) in the ejection stroke, a pair of spring counter bores (71) are arranged on the close faces of the spring seat (622) and the sliding block (5), and a first return spring (72) is arranged corresponding to the spring counter bores (71).

4. The two-way ejection and demolding mechanism of the automobile light-transmitting cover two-color mold as claimed in claim 1, wherein: and a roller (41) is arranged at one end of the ejector rod (4) close to the ejector rod stroke surface (51).

5. The two-way ejection and demolding mechanism of the automobile light-transmitting cover two-color mold as claimed in claim 4, wherein: the core die is characterized in that a second reset spring (73) is sleeved on the ejector rod (4) and corresponds to the bottom of the second reset spring (73), a limit nut (43) is arranged on the ejector rod (4), one end, far away from the limit nut (43), of the second reset spring (73) is corresponding to the end, far away from the limit nut (43), of the core die mounting plate (1) or the core block (2), and a sunken cavity (74) is arranged on the core die mounting plate (1) or the core block (2).

6. The two-way ejection and demolding mechanism of the automobile light-transmitting cover two-color mold as claimed in claim 5, wherein: and one end of the ejector rod (4) far away from the roller (41) is provided with a sealing end part (42), the sealing end part (42) is in an inverted round table shape and corresponds to the shape of the sealing end part (42), and one side of the core block (2) far away from the core movable die mounting plate (1) is provided with a cavity containing groove (21).